/Engine/Source/Runtime/JsonUtilities/Public/JsonObjectConverter.h
Convert a Json value to text (takes some hints from the value name)
static bool GetTextFromField ( const [FString](API\Runtime\Core\Containers\FString) & FieldName, const [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [FJsonValue](API\Runtime\Json\Dom\FJsonValue) > & FieldValue, [FText](API\Runtime\Core\Internationalization\FText) & TextOut )